#include<bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
const int N = 2e5 + 10;
#define INF 0x3f3f3f3f;
typedef long long int ll;
#define close(); std::ios::sync_with_stdio(false);cin.tie(0),cout.tie(0);
//----------------------------------------------------------------------------//
int n;
int main()
{
    close();
	cin>>n;
//    
//    cout<<"win"<<'\n';

	if(n%2==0)
	{
		cout<<"lose"<<'\n';
	}
	else cout<<"win"<<'\n';
	
    return 0;
}
